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Finding the Fourth Proportional to 219,413.56, 329,133.06 and 61,654.24

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Solution

The fourth proportional to 219,413.56, 329,133.06 and 61,654.24 is: 92,484.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,413.56 : 329,133.06 = 61,654.24 : x
  2. Step 2: Convert to fraction form
    219,413.56/329,133.06 = 61,654.24/x
  3. Step 3: Cross multiply
    219,413.56x = 329,133.06 × 61,654.24
  4. Step 4: Simplify right side
    219,413.56x = 20,292,448,673.17
  5. Step 5: Solve for x
    x = 20,292,448,673.17/219,413.56
  6. Step 6: Final answer
    x = 92,484.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.